
Yefim S. answered 05/11/21
Math Tutor with Experience
By sine law: a/sinA = b/sinB; 43/sin65.5° = 31/sinB; sinB = 31sin65.5°/43. Because B < A we have only 1 case: B = sin-1(31sin65.5°/43) = 41°
Yes N.
asked 05/11/21Please help I’m not very good with Math! With work please!
Yefim S. answered 05/11/21
Math Tutor with Experience
By sine law: a/sinA = b/sinB; 43/sin65.5° = 31/sinB; sinB = 31sin65.5°/43. Because B < A we have only 1 case: B = sin-1(31sin65.5°/43) = 41°
Mark M. answered 05/11/21
Mathematics Teacher - NCLB Highly Qualified
Learn the Law of Sines
sin 65.5° / 43 = sin B / 31
Can you solve for B and answer?
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